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What is the nearest value of:(0.16667×0.83333×0.33333)/(0.22222×0.66667×0.12500)?
What is the nearest value of:(0.16667×0.83333×0.33333)/(0.22222×0.66667×0.12500)?
admin
2019-05-11
39
问题
What is the nearest value of:(0.16667×0.83333×0.33333)/(0.22222×0.66667×0.12500)?
选项
A、2.00
B、2.40
C、2.43
D、2.49
E、3.43
答案
D
解析
因为是求近似值,可以通过把式子中的有限小数近似为循环小数,再转化为分数进行运算。利用上述方法可以得出0.16667≈0.1666…=1/6;0.83333≈0.8333…=5/8;0.33333…≈0.333…=1/3;0.22222≈0.222…=2/9;0.66667≈0.666…=2/3;0.12500=1/8。
=2.5
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